Pump-operating attachment



F I I ll J I "H E. B. FETZER. PUMP OPERATING ATTACHMENT.

(Application filed Mar. 31, 1898.)

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UNITED STATES PATENT OFFICE.

ELIAS B. FETZER, OF MONTANDON, PENNSYLVANIA.

PUMP-OPERATING ATTACHMENT.

SPECIFICATION forming part of Letters Patent No. 619,824, dated February21, 1899.

7 Application filed March 3 1, 1 3 98.

To all whom it may concern:

Be it known that I, ELIAS B. FETZER, a citizen of the United States,residing at Montandon, in the county of Northumberland and State ofPennsylvania, have invented a new and useful Pump-Operating Attachment,of which the following is a specification.

My invention relates to pump mechanism, and particularly to anattachment for pumps whereby the manual operation of the pumprod isfacilitated, and, furthermore, to pro: vide simple and efficient meansof adjustment for securing the desired length of stroke.

Further objects and advantages of this invention will appear in thefollowing description, and the novel features thereof will beparticularly pointed out in the appended claims.

In the drawings, Figure 1 is a perspective View of an attachmentembodying my invention applied in the operative position to apump-barrel, the latter being shown in dotted lines. Fig. 2 is a detailsectional view of one of the bearings. Fig. 3 is a perspective view of aslightly-modified construction of supporting-frame, showing theeccentric and operating-lever in connection therewith.

Similar numerals of reference indicate correspondingparts in all thefigures of the drawings.

The attachment embodying my invention is adapted for application topump-barrels of diflerentconstructions without previous preparation ofthe pump, said attachment embodying all of the means necessary foroperating and securing the desired throw of the pump-rod. In theconstruction illustrated in Fig. 1 the frame of the attachment consistsof side arms 1, preferably of cross-sectionally angular construction,connected at their front ends by a transverse tie-bolt 2, engagingupturned ears 3 at the extremities of said arms, and connected at theirrear ends by a transverse tie-bolt 4, which extends exteriorly acrossthe rear side of the pump body or barrel 5. The auxiliaryintermediatemeans of attachment, such as screws 6 extending through the verticalflanges of the side arms and engaging the pump barrel or body, may alsobe used when desired; but the tightening of the tie-bolts under ordinarycircumstances will be found sufficient to properly clamp the frame ofthe attachment upon a Serial No. 675,914. (No model.)

pump-barrel of cross-sectionally rectangular construction.

The horizontal members or flanges of the side arms are slotted, as shownat 7, for the reception of bolts 8, by which bearing-boxes 9 are lockedin place, said bearing-boxes being designed for a driving-shaft 10,which extends transversely of the supporting-frame and is providedbeyond the same with a fly or driving wheel 11, preferably fitted with ahandle or other crank 12. This shaft, between its bearings, also carriesan eccentric 13 for cooperation with a slotted operatinglever 14, fulcrumed at one end upon the transverse tie-bolt 2 and extending at itsother end into a slot of the pump-barrel 5 for attachment to a pump-rod6 or the equivalent thereof. The slot of the operating-lever is of awidth equal to the diameter of the eccentric, but of a length exceedingtwice the diameter thereof, whereby inorder to vary the length of thestroke accomplished by means of the lever the bearings for thedriving-shaft may be adjusted toward or from the fulcrum of the lever bymeans of the slots provided for that purpose without afiecting any ofthe other members of the apparatus.

- In the modified construction of frame illustrated in Fig. 3 the sidearms 1 are provided with extensions or attached clamp members 15 forcontact with opposite sides of a pumpbarrel of cross-sectionally roundconstruction, the opposite extremities of said arms, however,'beingconnected by transverse tie-bolts 2 and 4, as hereinbefore described inconnection with the other form of the apparatus. Also an auxiliarytie-bolt 1*" is employed at an intermediate'point to span the intervalbetween the frame at the front side of the pumpbarrel. This additionalor auxiliary tie-bolt is necessitated in the modified form of theapparatus by reason of the fact that it is desirable in the latter tooffset the arms in front of the pump barrel, as shown at 1", thusraising the operating mechanism above the plane of those portions of theside arms which engage the pump-barrel.

It will be understood that the device embodying my invention isapplicable to any of the ordinary forms of pump-barrels and embodies inits construction all of the mechanism necessary for operating a pump-rodwith a stroke of the desired length, and the means employed foractuating the pump-rod are such as to vastly facilitate the operation ofpumping by providing driving means capable of a continuous uniformmotion, which is converted into a reciprocatory motion of the drivenmember. Furthermore, it Will be seen that the apparatus embodying myinvention comprises a minimum number of parts for converting acontinuous uniform rotary motion of the driving part into arcciprocatory motion of the driven member.

Various changes in the form, proportion, and the minor details ofconstruction may be resorted to without departing from the spirit orsacrificing any of the advantages of this invention.

Having described my invention, what I claim is 1. An operatingattachment for pu mps having a frame comprising parallel side arms,transversely opposite bearing-boxes mounted upon the side arms foradjustment parallel therewith toward and from a pump-stock, means forsecuring the bearing-boxes at the desired adjustment, a driving-shaftmounted in said bearing-boxes and carrying an eccentric, and a slottedpump-rod-actuating lever pivoted upon the frame and cooperatin g withthe eccentric, substantially as specified.

Ward and from the fulcrum of the lever, substantially as specified.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in the presence of two witnesses.

ELIAS B. FETZER.

Witnesses:

WM. P. WENDLE, S. II. SANDERS.

